Finding the Fourth Proportional to 5,425,783.70, 8,136,961.42 and 1,781,913.14
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Solution
The fourth proportional to 5,425,783.70, 8,136,961.42 and 1,781,913.14 is: 2,672,306.76
Step by Step Solution
- Step 1: Write the proportion equation
5,425,783.70 : 8,136,961.42 = 1,781,913.14 : x - Step 2: Convert to fraction form
5,425,783.70/8,136,961.42 = 1,781,913.14/x - Step 3: Cross multiply
5,425,783.70x = 8,136,961.42 × 1,781,913.14 - Step 4: Simplify right side
5,425,783.70x = 14,499,358,473,488.18 - Step 5: Solve for x
x = 14,499,358,473,488.18/5,425,783.70 - Step 6: Final answer
x = 2,672,306.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.